研究了一类非线性滞后型泛函微分方程周期解的存在性问题。
The existence problem for a class of nonlinear retarded functional differential equation is researched.
本文利用分解法分别对滞后型和中立型时滞大系统进行了稳定性分析与镇定分解。
The stability analysis and stabilization decomposition problems were put forward for the large-scale systems with time-delay by using the decomposition method.
由于任何闭环控制系统都存在滞后效应，所以研究滞后型控制系统的绝对稳定性意义尤为重要。
Because the delayed effects exist in any closed - loop control system, it is more important and significant to study the stability of the control system with delay.
本文研究了一类一阶变系数非线性滞后型微分方程解的振动性，得到这类方程仅有振动解的充分条件。
The study is made on the oscillation of a class of the first order nonlinear retarded differential equations with variable coefficients, and the sufficient conditions are obtained.
三大区域土地利用模式差异显著，苏南与苏中属于生态环境滞后型，而苏北属于社会经济滞后型的土地利用模式；
The three sub-regions have prominently different in land-use model, Sunan and Suzhong belong to environment lagged, and Subei belongs to society-economy lagged;
针对传统超前-滞后型数字锁相环实现同步速度较慢的缺点，提出了一种基于步进和量化调整的数字锁相法的快速位同步方法。
Traditional Lag-Lead synchronous DPLL shortcomings slow. In order to solve this problem, proposed a method for FPGA-based realization method of fast bit synchronization.
本文应用比较方法，提出滞后型泛函微分方程初始问题的近似解法，给出了解的近似迭代序列及其误差估计式，并证明迭代序列的收敛性和计算稳定性。
Using the comparison method, an approximate approach to the delay-differential equations is proposed in this paper. The proof of its convergence and calculation stability is also given.
当受控对象各控制通路中滞后时间间隔都相同，且输入为随机信号时，可采用二次函数型最优控制定律和分离定理。
The interval of the time lag is identical of each lane controlled and when the input is a random sign, we can adopt quadratic function of optimum control and separation theorem.
型系统存在速度、加速度动态滞后误差。
There are velocity and acceleration dynamic lag errors in the Model I system.
利用所得判据分析了滞后中立型线性离散不确定性系统的鲁棒稳定性。
By using the criterion the stability robustness of discrete linear uncertain time-delay systems of neutral type is analysed.
运用比较原理和导数不连续的李雅普诺夫函数，结合分解集结等方法，研究具有滞后的测度型线性时变脉冲扰动大系统的全局指数稳定性。
The stability of time-delay and time-varying large scale systems with impulsive effect is investigated by means of the comparison principle and vector Lyapunov function with discontinuous derivative.
本文研究了既有滞后量又有超前量的一阶中立型常系数微分方程的振动性，得到了其振动的几个充分条件。
In this paper, we have studied the oscillation of the first order neutral functional differential equations with delay and advanced argument, obtained, some sufficient conditions extended and impoved.
从滞后电流控制的角度阐述了PW M电压型高频整流器的基本工作原理，较详细地介绍了控制系统的设计思想。
Based on hysteresis current control, the basic operation principle of PWM AC DC voltage source converter is analysed. Moreover, the design concept of the control system is described in detail.
本文研究了一类状态和控制同时存在滞后的不确定线性系统时滞依赖型鲁棒镇定问题。
This paper studies the delay dependent memoryless robust stabilization problem for a class of uncertain linear system with time varying delays in both state and control.
讨论一类含有参数不确定性且具有状态滞后的广义时滞系统的观测器型最优保成本控制器设计问题。
Discusses the design of an observer-based optimal guaranteed cost controller for a class of singular systems with state-delay and parameter uncertainties.
仿真和样机实验表明并联混合型稳流系统可以满足加速器磁铁对供电电流低纹波和近似无滞后跟踪的性能要求。
Simulation and prototype experiment results show that the system can meet the extremely high steady state and dynamic requirements of the magnets: very low ripple and good following performance.
高危型堰塞湖由于蓄水量大、落差大，往往在形成后几天至几年后会被冲垮，形成严重的地震滞后次生水灾。
High-danger dammed lake, with great storage capability and high drop height, is often burst in several days to several years after its formation, and causes severe secondary flood disaster.
针对实际控制对象的模型不易建立、大滞后等特点，提出基于内模控制策略的继电型自整定方法。
Aiming at that the actual control object's model is hard to be set up and the features of great lag, a relay feedback self_tuning method based on internal model control is proposed.
这两种集成PNP开关输出可自由编程，允许用户调节限定值，滞后和功能型(常闭或常开)的需要。
Both integrated PNP switch outputs are freely programmable, allowing the user to adjust the limit value, hysteresis, and functionality type (normally closed or normally open) as needed.
讨论一类含有参数不确定性且具有状态滞后的广义时滞系统的观测器型最优保成本控制器设计问题。
The problem of optimal guaranteed cost control was discussed for a class of interval singular systems with state delay.
无桥台斜腿刚架桥是一种新的桥型，因其适用、经济、美观等方面的独特优势，近几年在工程领域中已有较为广泛的应用，但理论研究相对滞后。
The non-abutment slant-legged rigid frame bridge is similar to mansard arch bridge, the soil pressure of the diagonal rod at both ends of bridge forms a couple of arch thrust.
研究哒滞后和行业治理哒缺位导致了经济型酒店行业出现一些概念哒混乱和经营哒误区。
The lag in study and absence in business management led to some ideas of the confusion and misunderstanding of the operation in economic hotel industries.
利用单调迭代方法给出了中立型滞后微分方程的周期边值问题极解的存在性定理。
The monotone iterative techniques is used to investigate the existence of extremal solution of periodic boundary value problems (PBVP) for neutral delay differential equation.
利用单调迭代方法给出了中立型滞后微分方程的周期边值问题极解的存在性定理。
The monotone iterative techniques is used to investigate the existence of extremal solution of periodic boundary value problems (PBVP) for neutral delay differential equation.
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